Fix #14946: `originalName` in dumpfile missing for local typedefs #20511

Job	Run time
build_cmake (ubuntu:24.04, true, true)	2m 58s
build_make (ubuntu:24.04)	3m 11s
build_cmake (ubuntu:25.10, true, true)	2m 24s
build_cmake (alpine:3.23, false, false)	4m 26s
build_make (alpine:3.23)	5m 31s
build_make (ubuntu:25.10)	3m 41s
	22m 11s

Provide feedback